Utility paintbrush



FIG. 1 demonstrates a top plan view of the utility paintbrush embodying our design, the bottom view being a mirror image thereof;

FIG. 2 is a front view of the paintbrush;

FIG. 3 is a rear view of the paintbrush; and,

FIG. 4 is a right side elevational view of the paintbrush as shown in FIG. 1, the left side being a mirror image thereof. 

The ornamental design for a utility paintbrush, as shown and described. 